1 files changed, 23 insertions, 0 deletions
diff --git a/toolkit/components/backgroundtasks/tests/browser/browser_backgroundtask_specific_pref.js b/toolkit/components/backgroundtasks/tests/browser/browser_backgroundtask_specific_pref.js
new file mode 100644
index 0000000000..b80ee2f593
--- /dev/null
+++ b/toolkit/components/backgroundtasks/tests/browser/browser_backgroundtask_specific_pref.js
@@ -0,0 +1,23 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+ * vim: sw=4 ts=4 sts=4 et
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+add_task(async function test_backgroundtask_specific_pref() {
+  // First, verify this pref isn't set in Gecko itself.
+  Assert.equal(
+    -1,
+    Services.prefs.getIntPref("test.backgroundtask_specific_pref.exitCode", -1)
+  );
+
+  // Second, verify that this pref is set in background tasks.
+  // mochitest-chrome tests locally test both unpackaged and packaged
+  // builds (with `--appname=dist`).
+  let exitCode = await do_backgroundtask("backgroundtask_specific_pref", {
+    extraArgs: ["test.backgroundtask_specific_pref.exitCode"],
+  });
+  Assert.equal(79, exitCode);
+});